Which is NOT by Leonardo?

In Dido and Aeneas, Belinda and Dido converse in a vocal style that is partway between speech and singing, which is called __________

a) chorale b) recitative c) hocket d) aria

What of the following best describes modal jazz?

a. jazz that changes between major and minor modes frequently b. a jazz style that is moody and dark c. a style of jazz that features virtuosic improvisation based on rapid chord changes d. a style of jazz that uses fewer chords and features improvisation that is focused on melody